Java Data Structures courses can help you learn about arrays, linked lists, stacks, queues, and hash tables. You can build skills in algorithm efficiency, data manipulation, and implementing search and sort techniques. Many courses introduce tools like Eclipse or IntelliJ IDEA, which support coding practices and debugging, allowing you to apply your knowledge in real coding environments. You'll also explore concepts such as recursion and tree structures, enhancing your ability to tackle complex programming challenges.

Amazon Web Services
Skills you'll gain: Public Cloud, Cloud Computing Architecture, Cloud Computing, Application Programming Interface (API), Cloud Services, Scalability, Cloud Platforms, Amazon Web Services, Infrastructure As A Service (IaaS), Technical Services, Systems Administration, Solution Architecture, Security Engineering
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Credit Risk, Financial Statement Analysis, Risk Modeling, Working Capital, Financial Analysis, Financial Modeling, Portfolio Risk, Lending and Underwriting, Financial Data, Risk Management, Risk Analysis, Bank Regulations, Analysis, Cash Flows, Income Statement, Balance Sheet, Regulatory Compliance, Business Metrics, Financial Statements, Bankruptcies
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Routing Protocols, TCP/IP, Network Switches, Virtual Local Area Network (VLAN), Network Protocols, Network Security, Network Routing, Network Troubleshooting, Computer Networking, Open Shortest Path First (OSPF), Dynamic Host Configuration Protocol (DHCP), Border Gateway Protocol, Firewall, Proxy Servers, Encryption, Authentications
Intermediate · Course · 1 - 3 Months

Real Madrid Graduate School Universidad Europea
Skills you'll gain: Data Literacy, Technical Communication, Probability & Statistics, Web Scraping, Data Import/Export, JSON, Statistical Analysis, Pandas (Python Package), Analytical Skills, Descriptive Statistics, Data Manipulation, Probability, Data Collection, Data Capture, Restful API, Performance Measurement, Data Cleansing, Application Programming Interface (API)
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: JSON, NoSQL, Cloud API, Javascript, Data Store, Data Import/Export, Cloud Computing, Software Development
Beginner · Guided Project · Less Than 2 Hours

DeepLearning.AI
Skills you'll gain: Tool Calling, Generative AI Agents, Retrieval-Augmented Generation, LLM Application, Agentic systems, Debugging, Prompt Engineering, Document Management
Beginner · Project · Less Than 2 Hours

Infosec
Skills you'll gain: Authentications, Cryptography, Application Security, Web Applications, Javascript, Identity and Access Management, Node.JS, Browser Compatibility
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Financial Data, Financial Analysis, Analytics
Intermediate · Course · 1 - 4 Weeks

L&T EduTech
Skills you'll gain: Geospatial Information and Technology, Spatial Analysis, Geographic Information Systems, GIS Software, Database Management, Global Positioning Systems, Decision Support Systems, Data Modeling, Data Mapping, Open Source Technology, Web Applications, Mobile Development
Intermediate · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Software Design Documents, Data Flow Diagrams (DFDs), User Requirements Documents, Functional Requirement, Software Documentation, Diagram Design, Unified Modeling Language, Requirements Analysis, System Requirements, Technical Documentation, Technical Writing, Data Modeling, Systems Analysis
Beginner · Course · 1 - 3 Months

Universitat Autònoma de Barcelona
Skills you'll gain: Climate Change Adaptation, Research Methodologies, Cultural Sensitivity, Environmental Issue, Qualitative Research, Social Impact, Community Development, Sustainable Development, Environmental Policy, Data Collection, Climate Change Mitigation, Vulnerability, Natural Resource Management, Governance, Fundraising
Beginner · Course · 1 - 3 Months

Skills you'll gain: Predictive Modeling, Model Evaluation, Data Preprocessing, Predictive Analytics, Logistic Regression, Risk Modeling, Statistical Modeling, Feature Engineering, Regression Analysis, Correlation Analysis, Classification Algorithms, Data Manipulation, Scikit Learn (Machine Learning Library), Data Transformation, Pandas (Python Package), NumPy
Mixed · Course · 1 - 3 Months